./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:36:16,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:36:16,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:36:16,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:36:16,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:36:16,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:36:16,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:36:16,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:36:16,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:36:16,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:36:16,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:36:16,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:36:16,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:36:16,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:36:16,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:36:16,665 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:36:16,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:36:16,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:36:16,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:36:16,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:36:16,670 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:36:16,671 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:36:16,672 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:36:16,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:36:16,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:36:16,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:36:16,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:36:16,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:36:16,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:36:16,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:36:16,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:36:16,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:36:16,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:36:16,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:36:16,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:36:16,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:36:16,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:36:16,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:36:16,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:36:16,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:36:16,690 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:36:16,691 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:36:16,691 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:36:16,691 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:36:16,691 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:36:16,691 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:36:16,691 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:36:16,692 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:36:16,692 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:36:16,692 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:36:16,692 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:36:16,693 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:36:16,693 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:36:16,693 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:36:16,693 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:36:16,693 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:36:16,693 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:36:16,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:36:16,694 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:36:16,694 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:36:16,694 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:36:16,694 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:36:16,694 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:36:16,695 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:36:16,695 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:36:16,695 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:36:16,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:36:16,695 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:36:16,695 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:36:16,696 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:36:16,696 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:36:16,696 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:36:16,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:36:16,696 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:36:16,696 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2018-11-18 11:36:16,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:36:16,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:36:16,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:36:16,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:36:16,737 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:36:16,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:16,790 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/data/6a1b6272d/6fb16eec18d74337a38f7954b9edd312/FLAG72a94fd96 [2018-11-18 11:36:17,214 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:36:17,215 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:17,223 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/data/6a1b6272d/6fb16eec18d74337a38f7954b9edd312/FLAG72a94fd96 [2018-11-18 11:36:17,237 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/data/6a1b6272d/6fb16eec18d74337a38f7954b9edd312 [2018-11-18 11:36:17,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:36:17,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:36:17,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:36:17,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:36:17,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:36:17,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17, skipping insertion in model container [2018-11-18 11:36:17,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:36:17,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:36:17,507 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:36:17,516 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:36:17,615 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:36:17,634 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:36:17,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17 WrapperNode [2018-11-18 11:36:17,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:36:17,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:36:17,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:36:17,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:36:17,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:36:17,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:36:17,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:36:17,656 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:36:17,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... [2018-11-18 11:36:17,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:36:17,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:36:17,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:36:17,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:36:17,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:36:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:36:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:36:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:36:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:36:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:36:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:36:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:36:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:36:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:36:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:36:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:36:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:36:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:36:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:36:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:36:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:36:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:36:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 11:36:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 11:36:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:36:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:36:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:36:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:36:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:36:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:36:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:36:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:36:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:36:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:36:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:36:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:36:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:36:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:36:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:36:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:36:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:36:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:36:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:36:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:36:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:36:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:36:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:36:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:36:18,135 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:36:18,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:18 BoogieIcfgContainer [2018-11-18 11:36:18,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:36:18,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:36:18,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:36:18,139 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:36:18,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:36:17" (1/3) ... [2018-11-18 11:36:18,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5636395c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:18, skipping insertion in model container [2018-11-18 11:36:18,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:17" (2/3) ... [2018-11-18 11:36:18,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5636395c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:36:18, skipping insertion in model container [2018-11-18 11:36:18,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:18" (3/3) ... [2018-11-18 11:36:18,143 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:18,151 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:36:18,156 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:36:18,165 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:36:18,187 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:36:18,187 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:36:18,187 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:36:18,187 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:36:18,187 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:36:18,187 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:36:18,188 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:36:18,188 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:36:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-18 11:36:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:36:18,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:18,209 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:18,211 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:18,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:18,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1951206175, now seen corresponding path program 1 times [2018-11-18 11:36:18,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:18,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:18,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:18,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:18,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:18,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:18,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:36:18,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:18,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:36:18,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:36:18,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:36:18,428 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-18 11:36:18,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:18,454 INFO L93 Difference]: Finished difference Result 216 states and 265 transitions. [2018-11-18 11:36:18,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:36:18,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:36:18,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:18,463 INFO L225 Difference]: With dead ends: 216 [2018-11-18 11:36:18,463 INFO L226 Difference]: Without dead ends: 108 [2018-11-18 11:36:18,465 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:36:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-18 11:36:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-18 11:36:18,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 11:36:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2018-11-18 11:36:18,496 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 46 [2018-11-18 11:36:18,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:18,497 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2018-11-18 11:36:18,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:36:18,497 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2018-11-18 11:36:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:36:18,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:18,499 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:18,499 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:18,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1678624680, now seen corresponding path program 1 times [2018-11-18 11:36:18,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:18,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:18,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:18,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:18,500 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:18,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:18,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:36:18,602 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:18,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:36:18,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:36:18,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:18,604 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2018-11-18 11:36:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:18,621 INFO L93 Difference]: Finished difference Result 159 states and 181 transitions. [2018-11-18 11:36:18,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:36:18,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:36:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:18,624 INFO L225 Difference]: With dead ends: 159 [2018-11-18 11:36:18,625 INFO L226 Difference]: Without dead ends: 98 [2018-11-18 11:36:18,626 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-18 11:36:18,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-18 11:36:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 11:36:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2018-11-18 11:36:18,638 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 48 [2018-11-18 11:36:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:18,638 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2018-11-18 11:36:18,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:36:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2018-11-18 11:36:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:36:18,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:18,639 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:18,640 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:18,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:18,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1040109533, now seen corresponding path program 1 times [2018-11-18 11:36:18,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:18,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:18,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:18,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:18,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:18,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:18,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:36:18,759 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:18,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:36:18,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:36:18,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:36:18,761 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand 7 states. [2018-11-18 11:36:19,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:19,051 INFO L93 Difference]: Finished difference Result 172 states and 199 transitions. [2018-11-18 11:36:19,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:36:19,052 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 11:36:19,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:19,053 INFO L225 Difference]: With dead ends: 172 [2018-11-18 11:36:19,053 INFO L226 Difference]: Without dead ends: 98 [2018-11-18 11:36:19,054 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:36:19,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-18 11:36:19,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-18 11:36:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 11:36:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2018-11-18 11:36:19,061 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 53 [2018-11-18 11:36:19,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:19,061 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2018-11-18 11:36:19,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:36:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2018-11-18 11:36:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 11:36:19,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:19,062 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:19,063 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:19,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash 473250921, now seen corresponding path program 1 times [2018-11-18 11:36:19,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:19,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:19,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:19,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:19,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:19,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:19,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:36:19,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:19,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:36:19,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:36:19,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:36:19,218 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 10 states. [2018-11-18 11:36:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:19,799 INFO L93 Difference]: Finished difference Result 300 states and 361 transitions. [2018-11-18 11:36:19,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:36:19,800 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-11-18 11:36:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:19,805 INFO L225 Difference]: With dead ends: 300 [2018-11-18 11:36:19,805 INFO L226 Difference]: Without dead ends: 226 [2018-11-18 11:36:19,806 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:36:19,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-18 11:36:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2018-11-18 11:36:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 11:36:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 258 transitions. [2018-11-18 11:36:19,831 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 258 transitions. Word has length 61 [2018-11-18 11:36:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:19,831 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 258 transitions. [2018-11-18 11:36:19,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:36:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 258 transitions. [2018-11-18 11:36:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:36:19,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:19,835 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:19,835 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:19,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:19,835 INFO L82 PathProgramCache]: Analyzing trace with hash -2067201969, now seen corresponding path program 1 times [2018-11-18 11:36:19,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:19,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:19,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:19,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:19,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:19,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:19,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:36:19,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:19,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:36:19,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:36:19,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:19,904 INFO L87 Difference]: Start difference. First operand 222 states and 258 transitions. Second operand 3 states. [2018-11-18 11:36:19,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:19,934 INFO L93 Difference]: Finished difference Result 362 states and 430 transitions. [2018-11-18 11:36:19,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:36:19,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-18 11:36:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:19,938 INFO L225 Difference]: With dead ends: 362 [2018-11-18 11:36:19,938 INFO L226 Difference]: Without dead ends: 164 [2018-11-18 11:36:19,939 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:19,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-18 11:36:19,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-11-18 11:36:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-18 11:36:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2018-11-18 11:36:19,951 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 65 [2018-11-18 11:36:19,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:19,951 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2018-11-18 11:36:19,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:36:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2018-11-18 11:36:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 11:36:19,954 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:36:19,954 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:19,954 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:36:19,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:19,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1058958561, now seen corresponding path program 1 times [2018-11-18 11:36:19,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:36:19,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:19,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:19,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:19,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:36:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:36:20,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:36:20,093 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:36:20,094 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-11-18 11:36:20,095 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [40], [49], [64], [67], [68], [72], [78], [82], [86], [89], [94], [100], [102], [108], [113], [121], [122], [123], [124], [164], [168], [174], [184], [192], [196], [197], [200], [201], [202], [203], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [216], [226], [227], [228], [229], [234], [235], [244], [245], [246], [247], [248], [249], [250] [2018-11-18 11:36:20,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:36:20,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:36:20,521 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:36:20,522 INFO L272 AbstractInterpreter]: Visited 68 different actions 77 times. Merged at 6 different actions 6 times. Never widened. Performed 2638 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2638 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 11:36:20,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:20,533 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:36:20,816 INFO L227 lantSequenceWeakener]: Weakened 98 states. On average, predicates are now at 97.55% of their original sizes. [2018-11-18 11:36:20,816 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:36:20,886 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-11-18 11:36:20,887 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:36:20,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:36:20,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-11-18 11:36:20,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:36:20,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 11:36:20,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 11:36:20,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:36:20,888 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 12 states. [2018-11-18 11:36:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:21,831 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2018-11-18 11:36:21,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:36:21,832 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2018-11-18 11:36:21,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:36:21,832 INFO L225 Difference]: With dead ends: 209 [2018-11-18 11:36:21,832 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:36:21,833 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:36:21,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:36:21,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:36:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:36:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:36:21,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-11-18 11:36:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:36:21,834 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:36:21,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 11:36:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:36:21,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:36:21,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:36:22,607 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2018-11-18 11:36:22,607 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-18 11:36:22,607 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-18 11:36:22,607 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2018-11-18 11:36:22,607 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,607 INFO L421 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,607 INFO L425 ceAbstractionStarter]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L421 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,608 INFO L421 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 656) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L421 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 661) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 11:36:22,608 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 533 598) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 543 590) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L421 ceAbstractionStarter]: At program point L591(lines 542 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 585) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L421 ceAbstractionStarter]: At program point L581-2(lines 573 586) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point L544(lines 543 590) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L421 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 586) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-11-18 11:36:22,609 INFO L425 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L421 ceAbstractionStarter]: At program point L588(lines 543 590) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:36:22,610 INFO L421 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 2) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point L553(lines 553 559) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L421 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 889) no Hoare annotation was computed. [2018-11-18 11:36:22,610 INFO L425 ceAbstractionStarter]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L428 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 844 866) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L421 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,611 INFO L421 ceAbstractionStarter]: At program point L856-1(line 856) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L421 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,611 INFO L421 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,611 INFO L421 ceAbstractionStarter]: At program point L850-1(line 850) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2018-11-18 11:36:22,611 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2018-11-18 11:36:22,612 INFO L428 ceAbstractionStarter]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2018-11-18 11:36:22,612 INFO L425 ceAbstractionStarter]: For program point L783-1(lines 783 797) no Hoare annotation was computed. [2018-11-18 11:36:22,613 INFO L428 ceAbstractionStarter]: At program point L783-3(lines 783 797) the Hoare annotation is: true [2018-11-18 11:36:22,613 INFO L428 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-11-18 11:36:22,613 INFO L425 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2018-11-18 11:36:22,613 INFO L428 ceAbstractionStarter]: At program point L798(lines 773 802) the Hoare annotation is: true [2018-11-18 11:36:22,613 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2018-11-18 11:36:22,613 INFO L425 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-11-18 11:36:22,613 INFO L425 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-18 11:36:22,613 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:22,613 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:22,614 INFO L421 ceAbstractionStarter]: At program point L619(lines 619 625) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2018-11-18 11:36:22,614 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point L612(lines 611 630) no Hoare annotation was computed. [2018-11-18 11:36:22,614 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2018-11-18 11:36:22,614 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2018-11-18 11:36:22,614 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2018-11-18 11:36:22,615 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 11:36:22,615 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 11:36:22,615 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2018-11-18 11:36:22,615 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2018-11-18 11:36:22,615 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:36:22,615 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 11:36:22,615 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:36:22,615 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:36:22,615 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2018-11-18 11:36:22,615 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 2))))) [2018-11-18 11:36:22,615 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2018-11-18 11:36:22,616 INFO L428 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point L703-1(line 703) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2018-11-18 11:36:22,616 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2018-11-18 11:36:22,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:36:22 BoogieIcfgContainer [2018-11-18 11:36:22,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:36:22,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:36:22,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:36:22,625 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:36:22,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:18" (3/4) ... [2018-11-18 11:36:22,628 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:36:22,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:36:22,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:36:22,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:36:22,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:36:22,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 11:36:22,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:36:22,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:36:22,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:36:22,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:36:22,639 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 11:36:22,639 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:36:22,639 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:36:22,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 2 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((waterLevel == 1 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:36:22,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 11:36:22,686 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e53eecd4-3992-4ec2-a280-82bad997953b/bin-2019/utaipan/witness.graphml [2018-11-18 11:36:22,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:36:22,686 INFO L168 Benchmark]: Toolchain (without parser) took 5445.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -66.4 MB). Peak memory consumption was 249.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:22,687 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:36:22,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:22,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:36:22,688 INFO L168 Benchmark]: Boogie Preprocessor took 24.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:36:22,688 INFO L168 Benchmark]: RCFGBuilder took 455.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:22,688 INFO L168 Benchmark]: TraceAbstraction took 4487.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.4 MB). Peak memory consumption was 212.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:22,688 INFO L168 Benchmark]: Witness Printer took 61.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:36:22,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 455.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4487.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.4 MB). Peak memory consumption was 212.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((((waterLevel == 2 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((waterLevel == 1 && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 666 SDtfs, 483 SDslu, 1550 SDs, 0 SdLazy, 507 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9969183043394384 AbsIntWeakeningRatio, 0.9504950495049505 AbsIntAvgWeakeningVarsNumRemoved, 94.7128712871287 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 290 PreInvPairs, 305 NumberOfFragments, 848 HoareAnnotationTreeSize, 290 FomulaSimplifications, 166 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 663 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 51145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...